./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-acceleration/phases_true-unreach-call2_false-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1c0440cf-6d72-4f58-8e9c-8f58c1d879f3/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1c0440cf-6d72-4f58-8e9c-8f58c1d879f3/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1c0440cf-6d72-4f58-8e9c-8f58c1d879f3/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1c0440cf-6d72-4f58-8e9c-8f58c1d879f3/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-acceleration/phases_true-unreach-call2_false-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_1c0440cf-6d72-4f58-8e9c-8f58c1d879f3/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1c0440cf-6d72-4f58-8e9c-8f58c1d879f3/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4a156731963582ce9a466285688eba3a68b58029 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 23:08:27,122 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 23:08:27,123 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 23:08:27,130 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 23:08:27,130 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 23:08:27,131 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 23:08:27,132 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 23:08:27,133 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 23:08:27,134 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 23:08:27,135 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 23:08:27,135 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 23:08:27,135 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 23:08:27,136 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 23:08:27,137 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 23:08:27,138 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 23:08:27,138 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 23:08:27,139 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 23:08:27,140 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 23:08:27,141 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 23:08:27,142 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 23:08:27,143 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 23:08:27,143 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 23:08:27,144 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 23:08:27,145 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 23:08:27,145 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 23:08:27,145 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 23:08:27,146 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 23:08:27,147 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 23:08:27,147 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 23:08:27,148 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 23:08:27,148 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 23:08:27,149 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 23:08:27,149 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 23:08:27,149 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 23:08:27,150 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 23:08:27,150 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 23:08:27,151 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1c0440cf-6d72-4f58-8e9c-8f58c1d879f3/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-22 23:08:27,161 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 23:08:27,162 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 23:08:27,163 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 23:08:27,163 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 23:08:27,163 INFO L133 SettingsManager]: * Use SBE=true [2018-11-22 23:08:27,163 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-22 23:08:27,163 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-22 23:08:27,163 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-22 23:08:27,163 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-22 23:08:27,164 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-22 23:08:27,164 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-22 23:08:27,164 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 23:08:27,164 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 23:08:27,164 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-22 23:08:27,164 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 23:08:27,164 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 23:08:27,164 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 23:08:27,164 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-22 23:08:27,165 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-22 23:08:27,165 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-22 23:08:27,165 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 23:08:27,165 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 23:08:27,165 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-22 23:08:27,165 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 23:08:27,165 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-22 23:08:27,166 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 23:08:27,166 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 23:08:27,166 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-22 23:08:27,166 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 23:08:27,166 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-22 23:08:27,166 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-22 23:08:27,167 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-22 23:08:27,167 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_1c0440cf-6d72-4f58-8e9c-8f58c1d879f3/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a156731963582ce9a466285688eba3a68b58029 [2018-11-22 23:08:27,188 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 23:08:27,196 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 23:08:27,198 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 23:08:27,199 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 23:08:27,199 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 23:08:27,200 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1c0440cf-6d72-4f58-8e9c-8f58c1d879f3/bin-2019/uautomizer/../../sv-benchmarks/c/loop-acceleration/phases_true-unreach-call2_false-termination.i [2018-11-22 23:08:27,235 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1c0440cf-6d72-4f58-8e9c-8f58c1d879f3/bin-2019/uautomizer/data/262c54fb0/76c2ce67276d4c86b5d6b9687d313ae8/FLAG547a24783 [2018-11-22 23:08:27,552 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 23:08:27,553 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1c0440cf-6d72-4f58-8e9c-8f58c1d879f3/sv-benchmarks/c/loop-acceleration/phases_true-unreach-call2_false-termination.i [2018-11-22 23:08:27,558 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1c0440cf-6d72-4f58-8e9c-8f58c1d879f3/bin-2019/uautomizer/data/262c54fb0/76c2ce67276d4c86b5d6b9687d313ae8/FLAG547a24783 [2018-11-22 23:08:27,567 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1c0440cf-6d72-4f58-8e9c-8f58c1d879f3/bin-2019/uautomizer/data/262c54fb0/76c2ce67276d4c86b5d6b9687d313ae8 [2018-11-22 23:08:27,570 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 23:08:27,571 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 23:08:27,572 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 23:08:27,572 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 23:08:27,574 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 23:08:27,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:08:27" (1/1) ... [2018-11-22 23:08:27,577 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dd9ff0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:27, skipping insertion in model container [2018-11-22 23:08:27,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:08:27" (1/1) ... [2018-11-22 23:08:27,583 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 23:08:27,596 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 23:08:27,709 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:08:27,712 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 23:08:27,722 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:08:27,732 INFO L195 MainTranslator]: Completed translation [2018-11-22 23:08:27,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:27 WrapperNode [2018-11-22 23:08:27,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 23:08:27,733 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 23:08:27,733 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 23:08:27,733 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 23:08:27,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:27" (1/1) ... [2018-11-22 23:08:27,742 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:27" (1/1) ... [2018-11-22 23:08:27,753 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 23:08:27,753 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 23:08:27,753 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 23:08:27,753 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 23:08:27,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:27" (1/1) ... [2018-11-22 23:08:27,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:27" (1/1) ... [2018-11-22 23:08:27,760 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:27" (1/1) ... [2018-11-22 23:08:27,760 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:27" (1/1) ... [2018-11-22 23:08:27,761 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:27" (1/1) ... [2018-11-22 23:08:27,764 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:27" (1/1) ... [2018-11-22 23:08:27,765 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:27" (1/1) ... [2018-11-22 23:08:27,766 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 23:08:27,766 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 23:08:27,766 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 23:08:27,767 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 23:08:27,767 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1c0440cf-6d72-4f58-8e9c-8f58c1d879f3/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-22 23:08:27,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 23:08:27,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 23:08:27,956 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 23:08:27,956 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-22 23:08:27,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:08:27 BoogieIcfgContainer [2018-11-22 23:08:27,957 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 23:08:27,957 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-22 23:08:27,957 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-22 23:08:27,959 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-22 23:08:27,960 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-22 23:08:27,960 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.11 11:08:27" (1/3) ... [2018-11-22 23:08:27,960 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3aa674ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 11:08:27, skipping insertion in model container [2018-11-22 23:08:27,960 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-22 23:08:27,960 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:27" (2/3) ... [2018-11-22 23:08:27,961 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3aa674ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 11:08:27, skipping insertion in model container [2018-11-22 23:08:27,961 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-22 23:08:27,961 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:08:27" (3/3) ... [2018-11-22 23:08:27,962 INFO L375 chiAutomizerObserver]: Analyzing ICFG phases_true-unreach-call2_false-termination.i [2018-11-22 23:08:28,006 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-22 23:08:28,006 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-22 23:08:28,007 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-22 23:08:28,007 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-22 23:08:28,007 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 23:08:28,007 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 23:08:28,007 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-22 23:08:28,007 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 23:08:28,007 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-22 23:08:28,015 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2018-11-22 23:08:28,027 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-22 23:08:28,027 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-22 23:08:28,028 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-22 23:08:28,033 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-22 23:08:28,033 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-22 23:08:28,033 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-22 23:08:28,033 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2018-11-22 23:08:28,034 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-22 23:08:28,034 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-22 23:08:28,035 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-22 23:08:28,035 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-22 23:08:28,035 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-22 23:08:28,041 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet1, main_#t~post2, main_~x~0, main_~y~0;main_~x~0 := 1;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 9#L13true assume !!(main_~y~0 % 4294967296 > 0); 10#L15-2true [2018-11-22 23:08:28,042 INFO L796 eck$LassoCheckResult]: Loop: 10#L15-2true assume !!(main_~x~0 % 4294967296 < main_~y~0 % 4294967296); 3#L15true assume main_~x~0 % 4294967296 < (if main_~y~0 % 4294967296 < 0 && 0 != main_~y~0 % 4294967296 % (main_~x~0 % 4294967296) then (if main_~x~0 % 4294967296 < 0 then main_~y~0 % 4294967296 / (main_~x~0 % 4294967296) - 1 else 1 + main_~y~0 % 4294967296 / (main_~x~0 % 4294967296)) else main_~y~0 % 4294967296 / (main_~x~0 % 4294967296)) % 4294967296;main_~x~0 := main_~x~0 * main_~x~0; 10#L15-2true [2018-11-22 23:08:28,046 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:08:28,046 INFO L82 PathProgramCache]: Analyzing trace with hash 998, now seen corresponding path program 1 times [2018-11-22 23:08:28,047 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:08:28,048 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:08:28,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:08:28,075 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:08:28,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:08:28,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:08:28,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:08:28,103 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:08:28,103 INFO L82 PathProgramCache]: Analyzing trace with hash 1444, now seen corresponding path program 1 times [2018-11-22 23:08:28,103 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:08:28,103 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:08:28,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:08:28,104 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:08:28,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:08:28,107 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-11-22 23:08:28,107 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-11-22 23:08:28,107 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1c0440cf-6d72-4f58-8e9c-8f58c1d879f3/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-11-22 23:08:28,115 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:08:28,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:08:28,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:08:28,142 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:08:28,142 INFO L82 PathProgramCache]: Analyzing trace with hash 959561, now seen corresponding path program 1 times [2018-11-22 23:08:28,142 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:08:28,143 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:08:28,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:08:28,143 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:08:28,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:08:28,146 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-11-22 23:08:28,146 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-11-22 23:08:28,146 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1c0440cf-6d72-4f58-8e9c-8f58c1d879f3/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-11-22 23:08:28,155 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:08:28,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:08:28,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] havoc main_#res;havoc main_#t~nondet1, main_#t~post2, main_~x~0, main_~y~0;main_~x~0 := 1;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; [?] assume !!(main_~y~0 % 4294967296 > 0); [?] havoc main_#res; [?] havoc main_#t~nondet1, main_#t~post2, main_~x~0, main_~y~0; [L11] main_~x~0 := 1; [L12] main_~y~0 := main_#t~nondet1; [L12] havoc main_#t~nondet1; [L13] assume !!(main_~y~0 % 4294967296 > 0); ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] havoc main_#res; [?] havoc main_#t~nondet1, main_#t~post2, main_~x~0, main_~y~0; [L11] main_~x~0 := 1; [L12] main_~y~0 := main_#t~nondet1; [L12] havoc main_#t~nondet1; [L13] assume !!(main_~y~0 % 4294967296 > 0); [?] havoc main_#res; [?] havoc main_#t~nondet1, main_#t~post2, main_~x~0, main_~y~0; [L11] main_~x~0 := 1; [L12] main_~y~0 := main_#t~nondet1; [L12] havoc main_#t~nondet1; [L13] COND FALSE !(!(main_~y~0 % 4294967296 > 0)) ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] havoc main_#res; [?] havoc main_#t~nondet1, main_#t~post2, main_~x~0, main_~y~0; [L11] main_~x~0 := 1; [L12] main_~y~0 := main_#t~nondet1; [L12] havoc main_#t~nondet1; [L13] COND FALSE !(!(main_~y~0 % 4294967296 > 0)) [L11] ~x~0 := 1; [L12] ~y~0 := #t~nondet1; [L12] havoc #t~nondet1; [L13] COND FALSE !(!(~y~0 % 4294967296 > 0)) ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L11] ~x~0 := 1; [L12] ~y~0 := #t~nondet1; [L12] havoc #t~nondet1; [L13] COND FALSE !(!(~y~0 % 4294967296 > 0)) [L11] unsigned int x = 1; [L12] unsigned int y = __VERIFIER_nondet_uint(); [L13] COND FALSE !(!(y > 0)) ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] assume !!(main_~x~0 % 4294967296 < main_~y~0 % 4294967296); [?] assume main_~x~0 % 4294967296 < (if main_~y~0 % 4294967296 < 0 && 0 != main_~y~0 % 4294967296 % (main_~x~0 % 4294967296) then (if main_~x~0 % 4294967296 < 0 then main_~y~0 % 4294967296 / (main_~x~0 % 4294967296) - 1 else 1 + main_~y~0 % 4294967296 / (main_~x~0 % 4294967296)) else main_~y~0 % 4294967296 / (main_~x~0 % 4294967296)) % 4294967296;main_~x~0 := main_~x~0 * main_~x~0; [L14-L20] assume !!(main_~x~0 % 4294967296 < main_~y~0 % 4294967296); [L15-L19] assume main_~x~0 % 4294967296 < (if main_~y~0 % 4294967296 < 0 && 0 != main_~y~0 % 4294967296 % (main_~x~0 % 4294967296) then (if main_~x~0 % 4294967296 < 0 then main_~y~0 % 4294967296 / (main_~x~0 % 4294967296) - 1 else 1 + main_~y~0 % 4294967296 / (main_~x~0 % 4294967296)) else main_~y~0 % 4294967296 / (main_~x~0 % 4294967296)) % 4294967296; [L16] main_~x~0 := main_~x~0 * main_~x~0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [L14-L20] assume !!(main_~x~0 % 4294967296 < main_~y~0 % 4294967296); [L15-L19] assume main_~x~0 % 4294967296 < (if main_~y~0 % 4294967296 < 0 && 0 != main_~y~0 % 4294967296 % (main_~x~0 % 4294967296) then (if main_~x~0 % 4294967296 < 0 then main_~y~0 % 4294967296 / (main_~x~0 % 4294967296) - 1 else 1 + main_~y~0 % 4294967296 / (main_~x~0 % 4294967296)) else main_~y~0 % 4294967296 / (main_~x~0 % 4294967296)) % 4294967296; [L16] main_~x~0 := main_~x~0 * main_~x~0; [L14-L20] COND FALSE !(!(main_~x~0 % 4294967296 < main_~y~0 % 4294967296)) [L15] COND TRUE main_~x~0 % 4294967296 < (if main_~y~0 % 4294967296 < 0 && 0 != main_~y~0 % 4294967296 % (main_~x~0 % 4294967296) then (if main_~x~0 % 4294967296 < 0 then main_~y~0 % 4294967296 / (main_~x~0 % 4294967296) - 1 else 1 + main_~y~0 % 4294967296 / (main_~x~0 % 4294967296)) else main_~y~0 % 4294967296 / (main_~x~0 % 4294967296)) % 4294967296 [L16] main_~x~0 := main_~x~0 * main_~x~0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [L14-L20] COND FALSE !(!(main_~x~0 % 4294967296 < main_~y~0 % 4294967296)) [L15] COND TRUE main_~x~0 % 4294967296 < (if main_~y~0 % 4294967296 < 0 && 0 != main_~y~0 % 4294967296 % (main_~x~0 % 4294967296) then (if main_~x~0 % 4294967296 < 0 then main_~y~0 % 4294967296 / (main_~x~0 % 4294967296) - 1 else 1 + main_~y~0 % 4294967296 / (main_~x~0 % 4294967296)) else main_~y~0 % 4294967296 / (main_~x~0 % 4294967296)) % 4294967296 [L16] main_~x~0 := main_~x~0 * main_~x~0; [L14-L20] COND FALSE !(!(~x~0 % 4294967296 < ~y~0 % 4294967296)) [L15] COND TRUE ~x~0 % 4294967296 < (if ~y~0 % 4294967296 < 0 && 0 != ~y~0 % 4294967296 % (~x~0 % 4294967296) then (if ~x~0 % 4294967296 < 0 then ~y~0 % 4294967296 / (~x~0 % 4294967296) - 1 else 1 + ~y~0 % 4294967296 / (~x~0 % 4294967296)) else ~y~0 % 4294967296 / (~x~0 % 4294967296)) % 4294967296 [L16] ~x~0 := ~x~0 * ~x~0; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L14-L20] COND FALSE !(!(~x~0 % 4294967296 < ~y~0 % 4294967296)) [L15] COND TRUE ~x~0 % 4294967296 < (if ~y~0 % 4294967296 < 0 && 0 != ~y~0 % 4294967296 % (~x~0 % 4294967296) then (if ~x~0 % 4294967296 < 0 then ~y~0 % 4294967296 / (~x~0 % 4294967296) - 1 else 1 + ~y~0 % 4294967296 / (~x~0 % 4294967296)) else ~y~0 % 4294967296 / (~x~0 % 4294967296)) % 4294967296 [L16] ~x~0 := ~x~0 * ~x~0; [L14] COND TRUE x < y [L15] COND TRUE x < y / x [L16] x *= x ----- [2018-11-22 23:08:28,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.11 11:08:28 BoogieIcfgContainer [2018-11-22 23:08:28,351 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-22 23:08:28,352 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 23:08:28,352 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 23:08:28,352 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 23:08:28,352 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:08:27" (3/4) ... [2018-11-22 23:08:28,355 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] havoc main_#res;havoc main_#t~nondet1, main_#t~post2, main_~x~0, main_~y~0;main_~x~0 := 1;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; [?] assume !!(main_~y~0 % 4294967296 > 0); [?] havoc main_#res; [?] havoc main_#t~nondet1, main_#t~post2, main_~x~0, main_~y~0; [L11] main_~x~0 := 1; [L12] main_~y~0 := main_#t~nondet1; [L12] havoc main_#t~nondet1; [L13] assume !!(main_~y~0 % 4294967296 > 0); ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] havoc main_#res; [?] havoc main_#t~nondet1, main_#t~post2, main_~x~0, main_~y~0; [L11] main_~x~0 := 1; [L12] main_~y~0 := main_#t~nondet1; [L12] havoc main_#t~nondet1; [L13] assume !!(main_~y~0 % 4294967296 > 0); [?] havoc main_#res; [?] havoc main_#t~nondet1, main_#t~post2, main_~x~0, main_~y~0; [L11] main_~x~0 := 1; [L12] main_~y~0 := main_#t~nondet1; [L12] havoc main_#t~nondet1; [L13] COND FALSE !(!(main_~y~0 % 4294967296 > 0)) ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] havoc main_#res; [?] havoc main_#t~nondet1, main_#t~post2, main_~x~0, main_~y~0; [L11] main_~x~0 := 1; [L12] main_~y~0 := main_#t~nondet1; [L12] havoc main_#t~nondet1; [L13] COND FALSE !(!(main_~y~0 % 4294967296 > 0)) [L11] ~x~0 := 1; [L12] ~y~0 := #t~nondet1; [L12] havoc #t~nondet1; [L13] COND FALSE !(!(~y~0 % 4294967296 > 0)) ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L11] ~x~0 := 1; [L12] ~y~0 := #t~nondet1; [L12] havoc #t~nondet1; [L13] COND FALSE !(!(~y~0 % 4294967296 > 0)) [L11] unsigned int x = 1; [L12] unsigned int y = __VERIFIER_nondet_uint(); [L13] COND FALSE !(!(y > 0)) ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] assume !!(main_~x~0 % 4294967296 < main_~y~0 % 4294967296); [?] assume main_~x~0 % 4294967296 < (if main_~y~0 % 4294967296 < 0 && 0 != main_~y~0 % 4294967296 % (main_~x~0 % 4294967296) then (if main_~x~0 % 4294967296 < 0 then main_~y~0 % 4294967296 / (main_~x~0 % 4294967296) - 1 else 1 + main_~y~0 % 4294967296 / (main_~x~0 % 4294967296)) else main_~y~0 % 4294967296 / (main_~x~0 % 4294967296)) % 4294967296;main_~x~0 := main_~x~0 * main_~x~0; [L14-L20] assume !!(main_~x~0 % 4294967296 < main_~y~0 % 4294967296); [L15-L19] assume main_~x~0 % 4294967296 < (if main_~y~0 % 4294967296 < 0 && 0 != main_~y~0 % 4294967296 % (main_~x~0 % 4294967296) then (if main_~x~0 % 4294967296 < 0 then main_~y~0 % 4294967296 / (main_~x~0 % 4294967296) - 1 else 1 + main_~y~0 % 4294967296 / (main_~x~0 % 4294967296)) else main_~y~0 % 4294967296 / (main_~x~0 % 4294967296)) % 4294967296; [L16] main_~x~0 := main_~x~0 * main_~x~0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [L14-L20] assume !!(main_~x~0 % 4294967296 < main_~y~0 % 4294967296); [L15-L19] assume main_~x~0 % 4294967296 < (if main_~y~0 % 4294967296 < 0 && 0 != main_~y~0 % 4294967296 % (main_~x~0 % 4294967296) then (if main_~x~0 % 4294967296 < 0 then main_~y~0 % 4294967296 / (main_~x~0 % 4294967296) - 1 else 1 + main_~y~0 % 4294967296 / (main_~x~0 % 4294967296)) else main_~y~0 % 4294967296 / (main_~x~0 % 4294967296)) % 4294967296; [L16] main_~x~0 := main_~x~0 * main_~x~0; [L14-L20] COND FALSE !(!(main_~x~0 % 4294967296 < main_~y~0 % 4294967296)) [L15] COND TRUE main_~x~0 % 4294967296 < (if main_~y~0 % 4294967296 < 0 && 0 != main_~y~0 % 4294967296 % (main_~x~0 % 4294967296) then (if main_~x~0 % 4294967296 < 0 then main_~y~0 % 4294967296 / (main_~x~0 % 4294967296) - 1 else 1 + main_~y~0 % 4294967296 / (main_~x~0 % 4294967296)) else main_~y~0 % 4294967296 / (main_~x~0 % 4294967296)) % 4294967296 [L16] main_~x~0 := main_~x~0 * main_~x~0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [L14-L20] COND FALSE !(!(main_~x~0 % 4294967296 < main_~y~0 % 4294967296)) [L15] COND TRUE main_~x~0 % 4294967296 < (if main_~y~0 % 4294967296 < 0 && 0 != main_~y~0 % 4294967296 % (main_~x~0 % 4294967296) then (if main_~x~0 % 4294967296 < 0 then main_~y~0 % 4294967296 / (main_~x~0 % 4294967296) - 1 else 1 + main_~y~0 % 4294967296 / (main_~x~0 % 4294967296)) else main_~y~0 % 4294967296 / (main_~x~0 % 4294967296)) % 4294967296 [L16] main_~x~0 := main_~x~0 * main_~x~0; [L14-L20] COND FALSE !(!(~x~0 % 4294967296 < ~y~0 % 4294967296)) [L15] COND TRUE ~x~0 % 4294967296 < (if ~y~0 % 4294967296 < 0 && 0 != ~y~0 % 4294967296 % (~x~0 % 4294967296) then (if ~x~0 % 4294967296 < 0 then ~y~0 % 4294967296 / (~x~0 % 4294967296) - 1 else 1 + ~y~0 % 4294967296 / (~x~0 % 4294967296)) else ~y~0 % 4294967296 / (~x~0 % 4294967296)) % 4294967296 [L16] ~x~0 := ~x~0 * ~x~0; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L14-L20] COND FALSE !(!(~x~0 % 4294967296 < ~y~0 % 4294967296)) [L15] COND TRUE ~x~0 % 4294967296 < (if ~y~0 % 4294967296 < 0 && 0 != ~y~0 % 4294967296 % (~x~0 % 4294967296) then (if ~x~0 % 4294967296 < 0 then ~y~0 % 4294967296 / (~x~0 % 4294967296) - 1 else 1 + ~y~0 % 4294967296 / (~x~0 % 4294967296)) else ~y~0 % 4294967296 / (~x~0 % 4294967296)) % 4294967296 [L16] ~x~0 := ~x~0 * ~x~0; [L14] COND TRUE x < y [L15] COND TRUE x < y / x [L16] x *= x ----- [2018-11-22 23:08:28,380 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1c0440cf-6d72-4f58-8e9c-8f58c1d879f3/bin-2019/uautomizer/witness.graphml [2018-11-22 23:08:28,380 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 23:08:28,381 INFO L168 Benchmark]: Toolchain (without parser) took 810.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -122.0 MB). Peak memory consumption was 12.3 MB. Max. memory is 11.5 GB. [2018-11-22 23:08:28,382 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:08:28,382 INFO L168 Benchmark]: CACSL2BoogieTranslator took 160.63 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-22 23:08:28,383 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.35 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 946.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-22 23:08:28,383 INFO L168 Benchmark]: Boogie Preprocessor took 12.94 ms. Allocated memory is still 1.0 GB. Free memory is still 946.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:08:28,384 INFO L168 Benchmark]: RCFGBuilder took 190.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -175.7 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-22 23:08:28,384 INFO L168 Benchmark]: BuchiAutomizer took 394.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. [2018-11-22 23:08:28,384 INFO L168 Benchmark]: Witness Printer took 28.40 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:08:28,387 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 160.63 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.35 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 946.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.94 ms. Allocated memory is still 1.0 GB. Free memory is still 946.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 190.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -175.7 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 394.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. * Witness Printer took 28.40 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.3s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 14]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {\result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@ca7405e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTUnaryExpression@103faa75=0, x=1, y=2} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 14]: Nonterminating execution ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] havoc main_#res;havoc main_#t~nondet1, main_#t~post2, main_~x~0, main_~y~0;main_~x~0 := 1;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; [?] assume !!(main_~y~0 % 4294967296 > 0); [?] havoc main_#res; [?] havoc main_#t~nondet1, main_#t~post2, main_~x~0, main_~y~0; [L11] main_~x~0 := 1; [L12] main_~y~0 := main_#t~nondet1; [L12] havoc main_#t~nondet1; [L13] assume !!(main_~y~0 % 4294967296 > 0); ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] havoc main_#res; [?] havoc main_#t~nondet1, main_#t~post2, main_~x~0, main_~y~0; [L11] main_~x~0 := 1; [L12] main_~y~0 := main_#t~nondet1; [L12] havoc main_#t~nondet1; [L13] assume !!(main_~y~0 % 4294967296 > 0); [?] havoc main_#res; [?] havoc main_#t~nondet1, main_#t~post2, main_~x~0, main_~y~0; [L11] main_~x~0 := 1; [L12] main_~y~0 := main_#t~nondet1; [L12] havoc main_#t~nondet1; [L13] COND FALSE !(!(main_~y~0 % 4294967296 > 0)) ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] havoc main_#res; [?] havoc main_#t~nondet1, main_#t~post2, main_~x~0, main_~y~0; [L11] main_~x~0 := 1; [L12] main_~y~0 := main_#t~nondet1; [L12] havoc main_#t~nondet1; [L13] COND FALSE !(!(main_~y~0 % 4294967296 > 0)) [L11] ~x~0 := 1; [L12] ~y~0 := #t~nondet1; [L12] havoc #t~nondet1; [L13] COND FALSE !(!(~y~0 % 4294967296 > 0)) ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L11] ~x~0 := 1; [L12] ~y~0 := #t~nondet1; [L12] havoc #t~nondet1; [L13] COND FALSE !(!(~y~0 % 4294967296 > 0)) [L11] unsigned int x = 1; [L12] unsigned int y = __VERIFIER_nondet_uint(); [L13] COND FALSE !(!(y > 0)) ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] assume !!(main_~x~0 % 4294967296 < main_~y~0 % 4294967296); [?] assume main_~x~0 % 4294967296 < (if main_~y~0 % 4294967296 < 0 && 0 != main_~y~0 % 4294967296 % (main_~x~0 % 4294967296) then (if main_~x~0 % 4294967296 < 0 then main_~y~0 % 4294967296 / (main_~x~0 % 4294967296) - 1 else 1 + main_~y~0 % 4294967296 / (main_~x~0 % 4294967296)) else main_~y~0 % 4294967296 / (main_~x~0 % 4294967296)) % 4294967296;main_~x~0 := main_~x~0 * main_~x~0; [L14-L20] assume !!(main_~x~0 % 4294967296 < main_~y~0 % 4294967296); [L15-L19] assume main_~x~0 % 4294967296 < (if main_~y~0 % 4294967296 < 0 && 0 != main_~y~0 % 4294967296 % (main_~x~0 % 4294967296) then (if main_~x~0 % 4294967296 < 0 then main_~y~0 % 4294967296 / (main_~x~0 % 4294967296) - 1 else 1 + main_~y~0 % 4294967296 / (main_~x~0 % 4294967296)) else main_~y~0 % 4294967296 / (main_~x~0 % 4294967296)) % 4294967296; [L16] main_~x~0 := main_~x~0 * main_~x~0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [L14-L20] assume !!(main_~x~0 % 4294967296 < main_~y~0 % 4294967296); [L15-L19] assume main_~x~0 % 4294967296 < (if main_~y~0 % 4294967296 < 0 && 0 != main_~y~0 % 4294967296 % (main_~x~0 % 4294967296) then (if main_~x~0 % 4294967296 < 0 then main_~y~0 % 4294967296 / (main_~x~0 % 4294967296) - 1 else 1 + main_~y~0 % 4294967296 / (main_~x~0 % 4294967296)) else main_~y~0 % 4294967296 / (main_~x~0 % 4294967296)) % 4294967296; [L16] main_~x~0 := main_~x~0 * main_~x~0; [L14-L20] COND FALSE !(!(main_~x~0 % 4294967296 < main_~y~0 % 4294967296)) [L15] COND TRUE main_~x~0 % 4294967296 < (if main_~y~0 % 4294967296 < 0 && 0 != main_~y~0 % 4294967296 % (main_~x~0 % 4294967296) then (if main_~x~0 % 4294967296 < 0 then main_~y~0 % 4294967296 / (main_~x~0 % 4294967296) - 1 else 1 + main_~y~0 % 4294967296 / (main_~x~0 % 4294967296)) else main_~y~0 % 4294967296 / (main_~x~0 % 4294967296)) % 4294967296 [L16] main_~x~0 := main_~x~0 * main_~x~0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [L14-L20] COND FALSE !(!(main_~x~0 % 4294967296 < main_~y~0 % 4294967296)) [L15] COND TRUE main_~x~0 % 4294967296 < (if main_~y~0 % 4294967296 < 0 && 0 != main_~y~0 % 4294967296 % (main_~x~0 % 4294967296) then (if main_~x~0 % 4294967296 < 0 then main_~y~0 % 4294967296 / (main_~x~0 % 4294967296) - 1 else 1 + main_~y~0 % 4294967296 / (main_~x~0 % 4294967296)) else main_~y~0 % 4294967296 / (main_~x~0 % 4294967296)) % 4294967296 [L16] main_~x~0 := main_~x~0 * main_~x~0; [L14-L20] COND FALSE !(!(~x~0 % 4294967296 < ~y~0 % 4294967296)) [L15] COND TRUE ~x~0 % 4294967296 < (if ~y~0 % 4294967296 < 0 && 0 != ~y~0 % 4294967296 % (~x~0 % 4294967296) then (if ~x~0 % 4294967296 < 0 then ~y~0 % 4294967296 / (~x~0 % 4294967296) - 1 else 1 + ~y~0 % 4294967296 / (~x~0 % 4294967296)) else ~y~0 % 4294967296 / (~x~0 % 4294967296)) % 4294967296 [L16] ~x~0 := ~x~0 * ~x~0; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L14-L20] COND FALSE !(!(~x~0 % 4294967296 < ~y~0 % 4294967296)) [L15] COND TRUE ~x~0 % 4294967296 < (if ~y~0 % 4294967296 < 0 && 0 != ~y~0 % 4294967296 % (~x~0 % 4294967296) then (if ~x~0 % 4294967296 < 0 then ~y~0 % 4294967296 / (~x~0 % 4294967296) - 1 else 1 + ~y~0 % 4294967296 / (~x~0 % 4294967296)) else ~y~0 % 4294967296 / (~x~0 % 4294967296)) % 4294967296 [L16] ~x~0 := ~x~0 * ~x~0; [L14] COND TRUE x < y [L15] COND TRUE x < y / x [L16] x *= x ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] havoc main_#res;havoc main_#t~nondet1, main_#t~post2, main_~x~0, main_~y~0;main_~x~0 := 1;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; [?] assume !!(main_~y~0 % 4294967296 > 0); [?] havoc main_#res; [?] havoc main_#t~nondet1, main_#t~post2, main_~x~0, main_~y~0; [L11] main_~x~0 := 1; [L12] main_~y~0 := main_#t~nondet1; [L12] havoc main_#t~nondet1; [L13] assume !!(main_~y~0 % 4294967296 > 0); ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] havoc main_#res; [?] havoc main_#t~nondet1, main_#t~post2, main_~x~0, main_~y~0; [L11] main_~x~0 := 1; [L12] main_~y~0 := main_#t~nondet1; [L12] havoc main_#t~nondet1; [L13] assume !!(main_~y~0 % 4294967296 > 0); [?] havoc main_#res; [?] havoc main_#t~nondet1, main_#t~post2, main_~x~0, main_~y~0; [L11] main_~x~0 := 1; [L12] main_~y~0 := main_#t~nondet1; [L12] havoc main_#t~nondet1; [L13] COND FALSE !(!(main_~y~0 % 4294967296 > 0)) ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] havoc main_#res; [?] havoc main_#t~nondet1, main_#t~post2, main_~x~0, main_~y~0; [L11] main_~x~0 := 1; [L12] main_~y~0 := main_#t~nondet1; [L12] havoc main_#t~nondet1; [L13] COND FALSE !(!(main_~y~0 % 4294967296 > 0)) [L11] ~x~0 := 1; [L12] ~y~0 := #t~nondet1; [L12] havoc #t~nondet1; [L13] COND FALSE !(!(~y~0 % 4294967296 > 0)) ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L11] ~x~0 := 1; [L12] ~y~0 := #t~nondet1; [L12] havoc #t~nondet1; [L13] COND FALSE !(!(~y~0 % 4294967296 > 0)) [L11] unsigned int x = 1; [L12] unsigned int y = __VERIFIER_nondet_uint(); [L13] COND FALSE !(!(y > 0)) ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] assume !!(main_~x~0 % 4294967296 < main_~y~0 % 4294967296); [?] assume main_~x~0 % 4294967296 < (if main_~y~0 % 4294967296 < 0 && 0 != main_~y~0 % 4294967296 % (main_~x~0 % 4294967296) then (if main_~x~0 % 4294967296 < 0 then main_~y~0 % 4294967296 / (main_~x~0 % 4294967296) - 1 else 1 + main_~y~0 % 4294967296 / (main_~x~0 % 4294967296)) else main_~y~0 % 4294967296 / (main_~x~0 % 4294967296)) % 4294967296;main_~x~0 := main_~x~0 * main_~x~0; [L14-L20] assume !!(main_~x~0 % 4294967296 < main_~y~0 % 4294967296); [L15-L19] assume main_~x~0 % 4294967296 < (if main_~y~0 % 4294967296 < 0 && 0 != main_~y~0 % 4294967296 % (main_~x~0 % 4294967296) then (if main_~x~0 % 4294967296 < 0 then main_~y~0 % 4294967296 / (main_~x~0 % 4294967296) - 1 else 1 + main_~y~0 % 4294967296 / (main_~x~0 % 4294967296)) else main_~y~0 % 4294967296 / (main_~x~0 % 4294967296)) % 4294967296; [L16] main_~x~0 := main_~x~0 * main_~x~0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [L14-L20] assume !!(main_~x~0 % 4294967296 < main_~y~0 % 4294967296); [L15-L19] assume main_~x~0 % 4294967296 < (if main_~y~0 % 4294967296 < 0 && 0 != main_~y~0 % 4294967296 % (main_~x~0 % 4294967296) then (if main_~x~0 % 4294967296 < 0 then main_~y~0 % 4294967296 / (main_~x~0 % 4294967296) - 1 else 1 + main_~y~0 % 4294967296 / (main_~x~0 % 4294967296)) else main_~y~0 % 4294967296 / (main_~x~0 % 4294967296)) % 4294967296; [L16] main_~x~0 := main_~x~0 * main_~x~0; [L14-L20] COND FALSE !(!(main_~x~0 % 4294967296 < main_~y~0 % 4294967296)) [L15] COND TRUE main_~x~0 % 4294967296 < (if main_~y~0 % 4294967296 < 0 && 0 != main_~y~0 % 4294967296 % (main_~x~0 % 4294967296) then (if main_~x~0 % 4294967296 < 0 then main_~y~0 % 4294967296 / (main_~x~0 % 4294967296) - 1 else 1 + main_~y~0 % 4294967296 / (main_~x~0 % 4294967296)) else main_~y~0 % 4294967296 / (main_~x~0 % 4294967296)) % 4294967296 [L16] main_~x~0 := main_~x~0 * main_~x~0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [L14-L20] COND FALSE !(!(main_~x~0 % 4294967296 < main_~y~0 % 4294967296)) [L15] COND TRUE main_~x~0 % 4294967296 < (if main_~y~0 % 4294967296 < 0 && 0 != main_~y~0 % 4294967296 % (main_~x~0 % 4294967296) then (if main_~x~0 % 4294967296 < 0 then main_~y~0 % 4294967296 / (main_~x~0 % 4294967296) - 1 else 1 + main_~y~0 % 4294967296 / (main_~x~0 % 4294967296)) else main_~y~0 % 4294967296 / (main_~x~0 % 4294967296)) % 4294967296 [L16] main_~x~0 := main_~x~0 * main_~x~0; [L14-L20] COND FALSE !(!(~x~0 % 4294967296 < ~y~0 % 4294967296)) [L15] COND TRUE ~x~0 % 4294967296 < (if ~y~0 % 4294967296 < 0 && 0 != ~y~0 % 4294967296 % (~x~0 % 4294967296) then (if ~x~0 % 4294967296 < 0 then ~y~0 % 4294967296 / (~x~0 % 4294967296) - 1 else 1 + ~y~0 % 4294967296 / (~x~0 % 4294967296)) else ~y~0 % 4294967296 / (~x~0 % 4294967296)) % 4294967296 [L16] ~x~0 := ~x~0 * ~x~0; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L14-L20] COND FALSE !(!(~x~0 % 4294967296 < ~y~0 % 4294967296)) [L15] COND TRUE ~x~0 % 4294967296 < (if ~y~0 % 4294967296 < 0 && 0 != ~y~0 % 4294967296 % (~x~0 % 4294967296) then (if ~x~0 % 4294967296 < 0 then ~y~0 % 4294967296 / (~x~0 % 4294967296) - 1 else 1 + ~y~0 % 4294967296 / (~x~0 % 4294967296)) else ~y~0 % 4294967296 / (~x~0 % 4294967296)) % 4294967296 [L16] ~x~0 := ~x~0 * ~x~0; [L14] COND TRUE x < y [L15] COND TRUE x < y / x [L16] x *= x ----- Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L11] unsigned int x = 1; [L12] unsigned int y = __VERIFIER_nondet_uint(); [L13] COND FALSE !(!(y > 0)) Loop: [L14] COND TRUE x < y [L15] COND TRUE x < y / x [L16] x *= x End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...